Answer in brief
CVE-2026-74741 records a High severity (CVSS 7.5) vulnerability in net: ngbe: fix NULL pointer dereference in non-MSI-X interrupt enabling. The current sources do not mark it as known exploited. The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 7.5. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Linux/Linuxgeneric | >=4174c0c331a2aa3322d3b3be532808deb041b37d <cef4c5b9aca24651d069adf9462b221df6a2a669 || >=4174c0c331a2aa3322d3b3be532808deb041b37d <0ab482b2195edc000262f0eae1cdcb416b8f335d || >=4174c0c331a2aa3322d3b3be532808deb041b37d <5f3a13e0bb5ebcc1ca2dfda42ea40b9f3c2be6ea | cef4c5b9aca24651d069adf9462b221df6a2a669, 0ab482b2195edc000262f0eae1cdcb416b8f335d, 5f3a13e0bb5ebcc1ca2dfda42ea40b9f3c2be6ea |
| Linux/Linuxgeneric | 6.16 | Not reported |
Published upstream
Aug 26, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Aug 27, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Aug 26, 2026
In the Linux kernel, the following vulnerability has been resolved: net: ngbe: fix NULL pointer dereference in non-MSI-X interrupt enabling In non-MSI-X mode (such as legacy INTx or single MSI), wx->msix_entry is not allocated or initialized. Calling NGBE_INTR_MISC(wx) dereferences wx->msix_entry->entry, leading to a NULL pointer dereference crash. This issue was introduced by fixing the IRQ vector when the number of VFs is 7. Fix the issue by explicitly checking `pdev->msix_enabled` to determine the correct vector index. Additionally, as a side fix, set the interrupt mask to BIT(0) for the non-MSI-X fallback. In MSI/INTx mode, the MISC and queue interrupts share vector 0, and the WX_PX_MISC_IVAR register is only valid in the MSI-X case. Thus, BIT(0) is the correct mask for the miscellaneous cause when MSI-X is disabled.
Quoted source text, attributed separately from HOL analysis.